From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE, RDNS_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.2 Received: (qmail 12380 invoked from network); 26 Mar 2020 03:09:28 -0000 Received-SPF: pass (minnie.tuhs.org: domain of minnie.tuhs.org designates 45.79.103.53 as permitted sender) receiver=inbox.vuxu.org; client-ip=45.79.103.53 envelope-from= Received: from unknown (HELO minnie.tuhs.org) (45.79.103.53) by inbox.vuxu.org with ESMTP; 26 Mar 2020 03:09:28 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 2F3299D528; Thu, 26 Mar 2020 13:09:24 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id CEE789CD83; Thu, 26 Mar 2020 13:08:57 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="C9bW9fsM"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 36C709CD83; Thu, 26 Mar 2020 13:08:54 +1000 (AEST) Received: from mail-ua1-f68.google.com (mail-ua1-f68.google.com [209.85.222.68]) by minnie.tuhs.org (Postfix) with ESMTPS id C3B609CD73 for ; Thu, 26 Mar 2020 13:08:53 +1000 (AEST) Received: by mail-ua1-f68.google.com with SMTP id d23so1365871uak.1 for ; Wed, 25 Mar 2020 20:08:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=qgci7AfDuTEkY0YjlZ8o+qlzZW8B5+VfV1/sB6o4MnY=; b=C9bW9fsMM3wCTUeJYlVqCFRrT0aWXkbKjokz4Vk3ZiKL7Iuq4vIXZ4syINWvtUkXrh 76r0Wau73GiXDa/oYdgHPlU51OgUMeenZ/ofG+18PTmRpv1cmfjnCb6x12aH2b2uYkVA ScWIHmlQ0qnCxXlPhJeZGA85caW3PWBjZ/97C14Vcev7W1Ft8VSXac4l5cYctS2v1ycy K7QXefqhDl5ZyEHkZVPfej75wEntM0THxi/5dMXFJcI3MZh9mQ7nPH2Tgg2zHByNv0ki tanb+Sj945cjLsiwdB1M1COG9GlY7nnuMnW7AXitxRfllapsA9c1ItWqlTi//adADb6A kwvQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=qgci7AfDuTEkY0YjlZ8o+qlzZW8B5+VfV1/sB6o4MnY=; b=JOR5hKQUstJDYX+xVW+QZpcZFycV2IKDAPkIq+O1xXCzfLj3YdtN/wyGgQsAld5RHZ f38/S3wZP4bedRzj3pqrxuP/yGlH4zYeVhaK8GRT5HIZ2h2ubHTh5o76O1+PaI8TKUkB kxPM41/QU+w+iOafmUOc4N18QHwyxPK+ZiI0Uu3AhEQSM+3dHS2FrfSZ2EljPdDikWi8 OGcuR1bfCI9uacHXvVH5+PRZHYGYMM4OgCq1SdthbqAumfkOhi+YGJU6huEFnCVavfQD Jhj0hwMPEBC60sp6zgo8wMsMC5+ftd9JDc4ZjW5L4vM7a/bTv4LMi1f4aCOZIJYzRsCV uRBQ== X-Gm-Message-State: ANhLgQ2gHjfl3yFSvGBqp/dxhPN2b6iaB7/jm0PfJ5QpbMg2L4qxri6n 1uRXX79LOZMFLyjFy+tSp2EdbXPuAAInl/b+0O0= X-Google-Smtp-Source: ADFU+vsRy1W5wjDhXUZyjG54k5V3tu3VCcv81G/hQmo8ZpzocOU9+rl/eqweuIcwFC53FqKKYb7dlSi/LqQQ+F+r0bs= X-Received: by 2002:ab0:28d8:: with SMTP id g24mr4715433uaq.121.1585192132774; Wed, 25 Mar 2020 20:08:52 -0700 (PDT) MIME-Version: 1.0 References: <20200306224431.D226C18C080@mercury.lcs.mit.edu> <3D1DBF45-AE50-4027-8AAA-6C1D97D28D4D@planet.nl> <20200307163935.GA57521@clarinet.employees.org> <20200308151332.GA70333@clarinet.employees.org> <5dbf2153-5993-242a-5ba9-54b49a38569e@spamtrap.tnetconsulting.net> <20200323084943.GA341861@straylight.m.ringlet.net> <20200324094710.GB83316@clarinet.employees.org> <127f7c5c-a607-8f5b-1760-5a308c279836@tnetconsulting.net> In-Reply-To: From: Rob Pike Date: Thu, 26 Mar 2020 14:08:41 +1100 Message-ID: To: Dave Horsfall Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [TUHS] sockets (was Re: First appearance of named pipes) X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: The Eunuchs Hysterical Society Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" I can't find it now, but there's a very short rc script that does a modestly realistic telnet client in Plan 9. But you know, that's not Unix. -rob On Thu, Mar 26, 2020 at 1:39 PM Dave Horsfall wrote: > > On Wed, 25 Mar 2020, Grant Taylor via TUHS wrote: > > > =C2=B7 netcat's STDOUT to grep's STDIN > > =C2=B7 grep's STDOUT to netcat's STDIN > > Are you trying to set up a loop of processes or something? I'm not sure > if that is even possible, although you can't rule out creative uses of > dup2() etc... > > -- Dave